{
  "cveId": "CVE-2019-19906",
  "url": "https://patchblox.com/security/cve/CVE-2019-19906",
  "summary": "CVE-2019-19906 is fixed in 20 products on 1 platform, first by libsasl2-2 2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1, released December 19, 2019. It is not reported as exploited. Patch Radar priority: High.",
  "title": "cyrus-sasl: The cyrus-sasl packages contain the Cyrus implementation of Simple Authentication and Security Layer (SASL)",
  "description": "The cyrus-sasl packages contain the Cyrus implementation of Simple Authentication and Security Layer (SASL). SASL is a method for adding authentication support to connection-based protocols.\n\nSecurity Fix(es):\n\n* cyrus-sasl: denial of service in _sasl_add_string function (CVE-2019-19906)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.",
  "published": "2019-12-19T10:15:00Z",
  "severity": "Moderate",
  "cvss": 7.5,
  "epss": 0.08036,
  "epssPercentile": 0.94814,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "cyrus-sasl",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "RHSA-2020:4497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-4497",
      "released": "2020-11-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl",
      "release": "ol 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "ELSA-2020-4497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-4497",
      "released": "2020-11-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "RHSA-2020:4497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-4497",
      "released": "2020-11-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-devel",
      "release": "ol 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "ELSA-2020-4497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-4497",
      "released": "2020-11-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-gs2",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "RHSA-2020:4497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-4497",
      "released": "2020-11-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-gs2",
      "release": "ol 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "ELSA-2020-4497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-4497",
      "released": "2020-11-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-gssapi",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "RHSA-2020:4497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-4497",
      "released": "2020-11-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-gssapi",
      "release": "ol 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "ELSA-2020-4497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-4497",
      "released": "2020-11-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-ldap",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "RHSA-2020:4497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-4497",
      "released": "2020-11-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-ldap",
      "release": "ol 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "ELSA-2020-4497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-4497",
      "released": "2020-11-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-lib",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "RHSA-2020:4497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-4497",
      "released": "2020-11-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-lib",
      "release": "ol 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "ELSA-2020-4497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-4497",
      "released": "2020-11-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-md5",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "RHSA-2020:4497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-4497",
      "released": "2020-11-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-md5",
      "release": "ol 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "ELSA-2020-4497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-4497",
      "released": "2020-11-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-ntlm",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "RHSA-2020:4497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-4497",
      "released": "2020-11-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-ntlm",
      "release": "ol 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "ELSA-2020-4497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-4497",
      "released": "2020-11-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-plain",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "RHSA-2020:4497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-4497",
      "released": "2020-11-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-plain",
      "release": "ol 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "ELSA-2020-4497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-4497",
      "released": "2020-11-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-scram",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "RHSA-2020:4497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-4497",
      "released": "2020-11-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-scram",
      "release": "ol 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "ELSA-2020-4497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-4497",
      "released": "2020-11-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-sql",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "RHSA-2020:4497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-4497",
      "released": "2020-11-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cyrus-sasl-sql",
      "release": "ol 8",
      "fixedVersion": "0:2.1.27-5.el8",
      "fix": "ELSA-2020-4497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-4497",
      "released": "2020-11-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsasl2-2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "fix": "libsasl2-2 2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsasl2-2-2.1.27-101-g0780600-dfsg-3ubuntu2.1",
      "released": "2019-12-19T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsasl2-modules",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "fix": "libsasl2-modules 2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsasl2-modules-2.1.27-101-g0780600-dfsg-3ubuntu2.1",
      "released": "2019-12-19T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsasl2-modules-db",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "fix": "libsasl2-modules-db 2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsasl2-modules-db-2.1.27-101-g0780600-dfsg-3ubuntu2.1",
      "released": "2019-12-19T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsasl2-modules-gssapi-heimdal",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "fix": "libsasl2-modules-gssapi-heimdal 2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsasl2-modules-gssapi-heimdal-2.1.27-101-g0780600-dfsg-3ubuntu2.1",
      "released": "2019-12-19T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsasl2-modules-gssapi-mit",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "fix": "libsasl2-modules-gssapi-mit 2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsasl2-modules-gssapi-mit-2.1.27-101-g0780600-dfsg-3ubuntu2.1",
      "released": "2019-12-19T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsasl2-modules-ldap",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "fix": "libsasl2-modules-ldap 2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsasl2-modules-ldap-2.1.27-101-g0780600-dfsg-3ubuntu2.1",
      "released": "2019-12-19T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsasl2-modules-otp",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "fix": "libsasl2-modules-otp 2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsasl2-modules-otp-2.1.27-101-g0780600-dfsg-3ubuntu2.1",
      "released": "2019-12-19T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsasl2-modules-sql",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "fix": "libsasl2-modules-sql 2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsasl2-modules-sql-2.1.27-101-g0780600-dfsg-3ubuntu2.1",
      "released": "2019-12-19T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "sasl2-bin",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "fix": "sasl2-bin 2.1.27~101-g0780600\u002Bdfsg-3ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-sasl2-bin-2.1.27-101-g0780600-dfsg-3ubuntu2.1",
      "released": "2019-12-19T10:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}